Across
- 6. Heat causes molecules of a solid to _____.
- 9. Liquids, Solids, and Gas are _________.
- 11. Also known as melting point.
- 13. When a liquid ____, it changes to a gas rapidly.
- 15. Substances change state because their _____ are arranged in different ways.
- 17. When a change of ____ occurs, the identity of the substance stays the same.
- 18. _____ take the shape of their container.
- 19. When heat is absorbed by a solid, molecules move ____.
- 20. Materials ____ as they get colder.
Down
- 1. The liquid inside a ______ expands or contracts with changes in temperature.
- 2. The molecules of a substance are _____ to each other.
- 3. When water absorbs enough heat it turns into _____.
- 4. Solids keep their _____.
- 5. Adding or removing _____ makes substances change from one state to another.
- 7. Once all the liquid becomes steam, the ____ goes up.
- 8. Gases fill the ____ of their container.
- 10. Every substance has its own particular ________.
- 12. Organized molecules.
- 14. Materials _____ as they get hotter.
- 16. When a liquid _______ it gradually changes to a gas.
- 20. When heat is removed from a boiling substance.